Science

Monday, 23 March 2026
13 facts about tears
13 facts about tears
Multipurpose liquid
Associated with emotions, tears are a product of lacrimal glands, found in the eyes of most terrestrial vertebrates. Although their primary function i ...

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Moon
The moon was formed about 4527 billion years ago, or about 30 to 50 million years after the formation of the solar system.
Mushrooms
Fungi live in symbiosis with microorganisms, higher plants (Embryophyte) and animals.
With many plants, they form mycorrhiza (symbiotic association of roots or seeds of vascular plants w ...
Fungi
Fungi were considered a separate kingdom, more closely related to animals than to plants.
This was determined based on phylogeny (origin), biochemistry, and anatomy. Fungi are considered to ...
Nicotine
Tobacco, whose leaves are the source of nicotine, was cultivated by people living in America two thousand years before its discovery by Columbus.
It came to Europe in the 16th century and both tobacco and the nicotine it contained were originally ...
Earth
Most people live in the northern hemisphere.
This is because the Northern Hemisphere accounts for 68 percent of all landmass. It is estimated that in the future up to 90 percent of the population may live in this part of the globe.
Graphene
Nowadays, scientists are interested in a single layer of graphite carbon atoms.
In graphite, each carbon atom is connected to three other atoms and all these bonds lie in one plane ...
Liver
It is the second largest organ of the human body.
The first is the skin.
Brain
It consists of 75% water.
This is primarily why proper hydration of the body is so important - dehydration disrupts the brain’s work.
Milky Way
According to recent research, there may be as many as 400 billion stars in the Milky Way.
The number of stars was originally estimated at around 100 million, but recent measurements suggest that this number may be up to four times greater.
Anorexia Nervosa
The exact cause of anorexia is not yet known.
It is thought to consist of a combination of biological, psychological, and environmental factors.